Polymorphic C++ classes using legacy code/S functions

Hi all,

I've been trying to find ways to inetgrate existing C++ code into the simulink environment. My existing C++ code is quite extensive and has polymorphic classes and calls multiple functions during runtime. Is this possible using legacy code/S function implementations?

I understand there is a work around for a single class present in the C++ files, but is there a similar workaround for the above stated issue?

Are there any limitations to the workaround? (signal inputs/output/data types/ interfacing with multiple simulink blocks?)

Any and all leads will be appreciated.

Thank you

Aditya Ganesh